def play_console(filename_or_stream):
with wave.open(filename_or_stream, 'r') as wav:
samplewidth = wav.getsampwidth()
samplerate = wav.getframerate()
nchannels = wav.getnchannels()
bar_width = 60
update_rate = 20 # lower this if you hear the sound crackle!
levelmeter = LevelMeter(rms_mode=False, lowest=-50.0)
with Output(samplerate, samplewidth, nchannels,
int(update_rate / 4)) as out:
while True:
frames = wav.readframes(samplerate // update_rate)
if not frames:
break
sample = Sample.from_raw_frames(frames, wav.getsampwidth(),
wav.getframerate(),
wav.getnchannels())
out.play_sample(sample, async=True)
levelmeter.update(sample)
time.sleep(
sample.duration * 0.4
) # print the peak meter more or less halfway during the sample
levelmeter.print(bar_width)
print("\ndone")
input("Enter to exit:")
def update(self, *args, **kwargs):
frames = self.wave.readframes(self.samplerate//self.update_rate)
if not frames:
self.pbvar_left.set(0)
self.pbvar_right.set(0)
print("done!")
return
sample = Sample.from_raw_frames(frames, self.samplewidth, self.samplerate, self.nchannels)
self.audio_out.play_sample(sample, async=True)
time.sleep(sample.duration/3) # print the peak meter more or less halfway during the sample
left, peak_l, right, peak_r = self.levelmeter.update(sample)
self.pbvar_left.set(left-self.lowest_level)
self.pbvar_right.set(right-self.lowest_level)
if left > -3:
self.pb_left.configure(style="red.Vertical.TProgressbar")
elif left > -6:
self.pb_left.configure(style="yellow.Vertical.TProgressbar")
else:
self.pb_left.configure(style="green.Vertical.TProgressbar")
if right > -3:
self.pb_right.configure(style="red.Vertical.TProgressbar")
elif right > -6:
self.pb_right.configure(style="yellow.Vertical.TProgressbar")
else:
self.pb_right.configure(style="green.Vertical.TProgressbar")
self.after(self.update_rate, self.update)
def update(self, *args, **kwargs):
frames = self.wave.readframes(self.samplerate // self.update_rate)
if not frames:
self.pbvar_left.set(0)
self.pbvar_right.set(0)
print("done!")
return
sample = Sample.from_raw_frames(frames, self.samplewidth,
self.samplerate, self.nchannels)
self.audio_out.play_sample(sample, async=True)
time.sleep(
sample.duration /
3) # print the peak meter more or less halfway during the sample
left, peak_l, right, peak_r = self.levelmeter.update(sample)
self.pbvar_left.set(left - self.lowest_level)
self.pbvar_right.set(right - self.lowest_level)
if left > -3:
self.pb_left.configure(style="red.Vertical.TProgressbar")
elif left > -6:
self.pb_left.configure(style="yellow.Vertical.TProgressbar")
else:
self.pb_left.configure(style="green.Vertical.TProgressbar")
if right > -3:
self.pb_right.configure(style="red.Vertical.TProgressbar")
elif right > -6:
self.pb_right.configure(style="yellow.Vertical.TProgressbar")
else:
self.pb_right.configure(style="green.Vertical.TProgressbar")
self.after(self.update_rate, self.update)
def update(self, *args, **kwargs):
frames = self.wave.readframes(self.samplerate//self.update_rate)
if not frames:
self.pbvar_left.set(0)
self.pbvar_right.set(0)
print("done!")
return
sample = Sample.from_raw_frames(frames, self.samplewidth, self.samplerate, self.nchannels)
self.audio_out.play_sample(sample)
left, peak_l = self.levelmeter.level_left, self.levelmeter.peak_left
right, peak_r = self.levelmeter.level_right, self.levelmeter.peak_right
self.pbvar_left.set(left-self.lowest_level)
self.pbvar_right.set(right-self.lowest_level)
if left > -3:
self.pb_left.configure(style="red.Vertical.TProgressbar")
elif left > -6:
self.pb_left.configure(style="yellow.Vertical.TProgressbar")
else:
self.pb_left.configure(style="green.Vertical.TProgressbar")
if right > -3:
self.pb_right.configure(style="red.Vertical.TProgressbar")
elif right > -6:
self.pb_right.configure(style="yellow.Vertical.TProgressbar")
else:
self.pb_right.configure(style="green.Vertical.TProgressbar")
self.after(self.update_rate, self.update)
def __next__(self):
frames = self.source.readframes(self.buffer_size)
for filter in self.frames_filters:
frames = filter(frames)
if not frames:
return None
sample = Sample.from_raw_frames(frames, self.samplewidth, self.samplerate, self.nchannels)
for filter in self.filters:
sample = filter(sample)
return sample
def __next__(self):
frames = self.source.readframes(self.buffer_size)
for filter in self.frames_filters:
frames = filter(frames)
if not frames:
return None
sample = Sample.from_raw_frames(frames, self.samplewidth,
self.samplerate, self.nchannels)
for filter in self.filters:
sample = filter(sample)
return sample
def __iter__(self):
"""
Yields tuple(timestamp, Sample) that represent the mixed audio streams.
"""
while True:
mixed_sample = Sample.from_raw_frames(b"", self.samplewidth, self.samplerate, self.nchannels)
for sample_stream in self.sample_streams:
try:
sample = next(sample_stream)
except (os.error, ValueError):
# Problem reading from stream. Assume stream closed.
sample = None
if sample:
mixed_sample.mix(sample)
else:
self.remove_stream(sample_stream)
yield self.timestamp, mixed_sample
self.timestamp += mixed_sample.duration
def play_console(filename_or_stream):
with wave.open(filename_or_stream, 'r') as wav:
samplewidth = wav.getsampwidth()
samplerate = wav.getframerate()
nchannels = wav.getnchannels()
bar_width = 60
update_rate = 20 # lower this if you hear the sound crackle!
levelmeter = LevelMeter(rms_mode=False, lowest=-50.0)
with Output(samplerate, samplewidth, nchannels, int(update_rate/4)) as out:
while True:
frames = wav.readframes(samplerate//update_rate)
if not frames:
break
sample = Sample.from_raw_frames(frames, wav.getsampwidth(), wav.getframerate(), wav.getnchannels())
out.play_sample(sample, async=True)
levelmeter.update(sample)
time.sleep(sample.duration*0.4) # print the peak meter more or less halfway during the sample
levelmeter.print(bar_width)
print("\ndone")
input("Enter to exit:")
def __iter__(self):
"""
Yields tuple(timestamp, Sample) that represent the mixed audio streams.
"""
while True:
mixed_sample = Sample.from_raw_frames(b"", self.samplewidth,
self.samplerate,
self.nchannels)
for sample_stream in self.sample_streams:
try:
sample = next(sample_stream)
except (os.error, ValueError):
# Problem reading from stream. Assume stream closed.
sample = None
if sample:
mixed_sample.mix(sample)
else:
self.remove_stream(sample_stream)
yield self.timestamp, mixed_sample
self.timestamp += mixed_sample.duration
def play_console(filename_or_stream):
with wave.open(filename_or_stream, 'r') as wav:
samplewidth = wav.getsampwidth()
samplerate = wav.getframerate()
nchannels = wav.getnchannels()
bar_width = 60
update_rate = 20 # lower this if you hear the sound crackle!
levelmeter = LevelMeter(rms_mode=False, lowest=-50.0)
with Output(samplerate, samplewidth, nchannels) as out:
print("Audio API used:", out.audio_api)
if not out.supports_streaming:
raise RuntimeError("need api that supports streaming")
out.register_notify_played(levelmeter.update)
while True:
frames = wav.readframes(samplerate//update_rate)
if not frames:
break
sample = Sample.from_raw_frames(frames, wav.getsampwidth(), wav.getframerate(), wav.getnchannels())
out.play_sample(sample)
levelmeter.print(bar_width)
print("\ndone")
input("Enter to exit:")
